1. Rabbit cardiac myosins from atrium and ventricle were found to differ in their native form in pyrophosphate gel electrophoresis as well as in their light chain pattern in one- and two-dimensional electrophoretic systems. 2. The myosin light chain pattern in sodium dodecylsulfate gel electrophoresis differs between atrial and ventricular tissues in the mammalians (rabbit, dog, human, pig, sheep and rat) but not in the chicken. 3. In foetal rabbit ventricle an additional light chain is observed which, in two-dimensional electrophoresis with adult cardiac light chains, was found to be the same as atrial light chain-1.
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| http://dx.doi.org/10.1016/0305-0491(82)90212-7 | DOI Listing |
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